Base | Representation |
---|---|
bin | 111110010010011… |
… | …010001011101001 |
3 | 2200211101011122112 |
4 | 332102122023221 |
5 | 4120010410400 |
6 | 251410132105 |
7 | 34616315534 |
oct | 7622321351 |
9 | 2624334575 |
10 | 1045013225 |
11 | 4969789a3 |
12 | 251b81035 |
13 | 13866a829 |
14 | 9cb07a1b |
15 | 61b23835 |
hex | 3e49a2e9 |
1045013225 has 6 divisors (see below), whose sum is σ = 1295816430. Its totient is φ = 836010560.
The previous prime is 1045013209. The next prime is 1045013279. The reversal of 1045013225 is 5223105401.
It can be written as a sum of positive squares in 3 ways, for example, as 313148416 + 731864809 = 17696^2 + 27053^2 .
It is not a de Polignac number, because 1045013225 - 24 = 1045013209 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1045013225.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20900240 + ... + 20900289.
It is an arithmetic number, because the mean of its divisors is an integer number (215969405).
Almost surely, 21045013225 is an apocalyptic number.
It is an amenable number.
1045013225 is a deficient number, since it is larger than the sum of its proper divisors (250803205).
1045013225 is an equidigital number, since it uses as much as digits as its factorization.
1045013225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41800539 (or 41800534 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 1045013225 is about 32326.6643036364. The cubic root of 1045013225 is about 1014.7847424648.
Adding to 1045013225 its reverse (5223105401), we get a palindrome (6268118626).
The spelling of 1045013225 in words is "one billion, forty-five million, thirteen thousand, two hundred twenty-five".
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